Sex Pistols

Why they broke up: Band member Sid Vicious's dangerous heroin addiction and violent antics became so extreme, even Johnny Rotten couldn't handle it anymore. Why we wish they didn't:

Why they broke up: Band member Sid Vicious's dangerous heroin addiction and violent antics became so extreme, even Johnny Rotten couldn't handle it anymore. Why we wish they didn't: (Express/Express/Getty Images)

Why they broke up: Band member Sid Vicious's dangerous heroin addiction and violent antics became so extreme, even Johnny Rotten couldn't handle it anymore. Why we wish they didn't: